–
The
processor
MCM
module
1
at
location
M16
–
The
processor
MCM
module
2
at
location
M11
After
each
FRU
is
exchanged,
is
the
error
code
that
sent
you
to
this
procedure
still
reported?
–
No:
The
problem
has
been
corrected.
Go
to
This
ends
the
procedure.
–
Yes:
Replace
the
next
FRU
on
the
list.
If
all
FRUs
on
the
list
have
been
replaced,
call
your
next
level
of
support.
MAPPWR-7:
There
is
a
bulk
power
assembly
(BPA)
communication
failure
For
use
by
authorized
service
providers.
Note:
Read
the
Danger
and
caution
notices
in
the
introduction
before
performing
this
procedure.
1.
Press
the
(green)
Start
service
button.
Wait
30
seconds.
Press
the
(white)
Service
complete
button.
Is
the
error
code
that
sent
you
to
this
procedure
still
reported?
v
No:
The
problem
has
been
corrected.
Go
to
This
ends
the
procedure.
v
Yes:
Continue
with
the
next
step.
2.
Check
the
position
of
the
on/off
switch
on
the
BPRs.
Is
the
switch
in
the
ON
position
(to
the
left)?
v
Yes:
Continue
with
the
next
step.
v
No:
Set
the
switch
to
the
ON
position
(to
the
left),
and
press
the
(white)
Service
Complete
button.
See
This
ends
the
procedure.
3.
Perform
the
following:
a.
Prepare
a
multimeter
to
measure
up
to
600
V
ac.
b.
Use
the
multimeter
to
measure
the
ac
voltage
at
the
following
test
points
on
the
face
plate
of
the
BPA
that
is
not
referenced
by
the
error
code
that
sent
you
to
this
procedure:
Figure
1.
Measuring
the
ac
voltage
v
Phase
A
and
phase
B
v
Phase
B
and
phase
C
v
Phase
C
and
phase
A
Are
all
the
readings
greater
than
180
V
ac?
v
No:
Continue
with
the
next
step.
v
Yes:
Exchange
the
following
FRUs
one
at
a
time:
372
iSeries:
iSeries
Server
270,
800,
810,
820,
825,
830,
840,
870,
890,
SB2,
and
SB3
Hardware
Problem
Analysis
and
Isolation
Содержание iSeries Series
Страница 2: ......
Страница 504: ...492 iSeries iSeries Server 270 800 810 820 825 830 840 870 890 SB2 and SB3 Hardware Problem Analysis and Isolation...
Страница 508: ...496 iSeries iSeries Server 270 800 810 820 825 830 840 870 890 SB2 and SB3 Hardware Problem Analysis and Isolation...
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Страница 512: ...Printed in USA SY44 5914 01...